Schwarzesmarken 

Schwarzesmarken is another spinoff of the Muv-Luv series, set in Cold War Europe in 1983, eighteen years before the events of Muv-Luv Alternative. Like Total Eclipse, Schwarzesmarken is also a light novel. High treason against the state. Theodor, a pilot with the East German military whose family bears a tainted past, is sent to the 666th Company. Known as the Schwarzesmarken, they’re a unit that focuses on destroying the enemy with even at the cost of letting their comrades die. He meets the cold and calculating commander Irisdina and the idealistic Katia, and begins to doubt the way he’s lived his life.